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Bernoulli's equation: along streamline of ideal fluid:
AP × v × h
BP + ρv = const
CP + (1/2)ρv² + ρgh = constant
DPv = mgh
Answer & Solution
Correct answer: C. P + (1/2)ρv² + ρgh = constant
Energy conservation per unit volume: pressure + KE/V + PE/V = constant along streamline. Assumes ideal (incompressible, inviscid, steady) flow. Explains lift, Venturi effect, Magnus force.
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